(Yuba-Sutter, CA) – CHP Yuba-Sutter reports two dirt bike riders sustained major injuries in a collision at around 10:30 Saturday morning: 62-year-old Arthur Shoji and 51-year-old Michael Massucco were riding single file on Marysville Road near Old tell Road in the Camptonville area when Massucco slowed to pull off the road onto the shoulder and Shoji rear-ended him, ejecting both riders from their bikes onto Marysville Road.

Massucco sustained a suspected broken clavicle, but Shoji was taken by air to the hospital with multiple broken bones, head trauma and internal injuries.

Neither drugs or alcohol are suspected factors and both were wearing helmets.